Adjustable fertilizer applicator for house plants



FIG. 1 is a front perspective view of an adjustable fertilizer applicator for house plants, with the adjustable slide in its most forward position, showing my new design;

FIG. 2 is a top plan view thereof with the adjustable slide in its most rearward position;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevation thereof; and

FIG. 5 is a rear elevation thereof. 

The ornamental design for an adjustable fertilizer applicator for house plants, substantially as shown and designed. 